Contour furrows overcome this problem because they are placed on a gradient of about 0.5 % across the main slope.
等高沟克服了这个问题，因为这些沟垂直于主坡方向布置，沟道坡度约为0.5%。
This house, consisting of two parts is gently perched side saddle to the mountain ridge, joining the main slope with a rocky knoll.
住宅包括两个部分，它们缓缓地跨越侧壁和山体脊梁，并连同附近的一个小山丘与主要的斜坡最终汇合。
Widespread slope is the main oil & gas migration direction of simple half graben rift, where developed various hydrocarbon reservoirs including tectonic, lithological and stratum one.
地域广阔的斜坡是简单箕状断陷油气运移的主要指向，发育着构造、岩性、地层等多种多样的油气藏。
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